Fix tip error

Fix tip error of freezerclinet cmd.

Change-Id: I1409a98f3aef84f2dbc259c04f367ffe79abf95c

freezerclient/shell.py

@@ -158,14 +158,14 @@ class FreezerShell(app.App):
             dest='os_project_domain_id',
             default=os.environ.get('OS_PROJECT_DOMAIN_ID'),
             help='OpenStack project domain ID. '
-                 'Defaults to env[OS_PROJECT_ID].'
+                 'Defaults to env[OS_PROJECT_DOMAIN_ID].'
         )
 
         parser.add_argument(
             '--os-project-name',
             dest='os_project_name',
             default=os.environ.get('OS_PROJECT_NAME'),
-            help='Project name to scope to'
+            help='Project name (tenant name)'
         )
 
         parser.add_argument(

test-requirements.txt

@@ -9,4 +9,5 @@ coverage!=4.4,>=4.0 # Apache-2.0
 stestr>=2.0.0 # Apache-2.0
 testtools>=2.2.0 # MIT
 astroid==2.1.0 # LGPLv2.1
+isort==4.3.21 #MIT
 pylint==2.2.0 # GPLv2